Cd Audio Input Connector (Cn6); Com Port Connector (Cn16); Com2 Rs-232/422/485 Setting (Jp6) - Advantech PCM-9577 User Manual

2.17.2 CD audio input connector (CN6)

Any CD-ROM drive can provide analog audio signal output when used as
a music CD player. The CN6 on PCM-9577 is a connector to input CD
audio signals into the audio controller. The audio cable of your CD-ROM
drive will be used to connect to CN6.

2.18 COM port connector (CN16)

The PCM-9577 provides four serial ports (COM1, 3, 4: RS-232; COM2:
RS-232/422/485) in one COM port connector. The COM port connector
is a 40-pin, dual-inline, male header. It provides connections for serial
devices (a mouse, etc.) or a communication network. You can find the pin
assignments for the COM port connector in Appendix C.

2.18.1 COM2 RS-232/422/485 setting (JP6)

COM2 can be configured to operate in RS-232, RS-422, or RS-485 mode.
This is done via JP6
Table 2.4: JP6: COM2 RS-232/422/485 select
PINS
1-2
3-4
5-6
7-9
8-10
9-11
10-12
13-15
14-16
15-17
16-18
RS-232* RS-422
Open Open
Open Closed
Closed Open
Closed Open
Closed Open
Open Closed
Open Closed
Closed Open
Closed Open
Open Closed
Open Closed
RS-485
Closed
Open
Open
Open
Open
Closed
Closed
Open
Open
Closed
Closed
19 Chapter 2